pre cw with probe and a bunch script to read game behavior

internal/gameserver/group_properties.go

@@ -0,0 +1,81 @@
+package gameserver
+
+import (
+	"gac-hkrpg-go/internal/common"
+	goproto "gac-hkrpg-go/protocol/proto"
+)
+
+// Keep resource defaults immutable: saved values belong to the player session.
+func (s *Session) sceneGroupProperties(floor, group uint32, rules map[string]common.GroupPropertyRule) map[string]int32 {
+	values := make(map[string]int32, len(rules))
+	player := s.JSON()
+	for name, rule := range rules {
+		value := rule.DefaultValue
+		if player != nil {
+			if saved, ok := player.SceneGroupProperties[floor][group][name]; ok && saved >= rule.MinValue && saved <= rule.MaxValue {
+				value = saved
+			}
+		}
+		values[name] = value
+	}
+	return values
+}
+
+func init() {
+	handle("UpdateGroupProperty", func(s *Session, req *goproto.UpdateGroupPropertyCsReq, rsp *goproto.UpdateGroupPropertyScRsp) error {
+		// PearlSR 005d2c12 services/scene.zig acknowledges these named fields.
+		// The sole int32 request field (15) is treated as the new value, constrained
+		// by the Client GroupPropertyConfig. Obfuscated response values stay unset,
+		// as in the reference; their old/new semantics have not been verified.
+		rsp.FloorId = req.FloorId
+		rsp.GroupId = req.GroupId
+		rsp.DimensionId = req.DimensionId
+		rsp.HMELFPDPCFC = req.HMELFPDPCFC
+		p := s.JSON()
+		if p == nil || req.FloorId != s.CurrentSceneFloor || s.ChallengeRun != nil {
+			rsp.Retcode = uint32(goproto.Retcode_RET_FAIL)
+			return nil
+		}
+		if _, active := CURRENT_BATTLE.Load(s.Token); active {
+			rsp.Retcode = uint32(goproto.Retcode_RET_FAIL)
+			return nil
+		}
+		res, err := common.GameRes()
+		if err != nil {
+			return err
+		}
+		entry := findEntryForFloor(res, req.FloorId)
+		_, cfg, ok := firstSceneOfEntry(res, entry)
+		if !ok || req.DimensionId != cfg.DimensionID {
+			rsp.Retcode = uint32(goproto.Retcode_RET_NOT_CORRECT_GROUP_PROPERTY_NAME)
+			return nil
+		}
+		rule, ok := cfg.GroupProperties[req.GroupId][req.HMELFPDPCFC]
+		if !ok || req.OLBEPIBLDBD < rule.MinValue || req.OLBEPIBLDBD > rule.MaxValue {
+			rsp.Retcode = uint32(goproto.Retcode_RET_NOT_CORRECT_GROUP_PROPERTY_NAME)
+			return nil
+		}
+		if p.SceneGroupProperties == nil {
+			p.SceneGroupProperties = map[uint32]map[uint32]map[string]int32{}
+		}
+		if p.SceneGroupProperties[req.FloorId] == nil {
+			p.SceneGroupProperties[req.FloorId] = map[uint32]map[string]int32{}
+		}
+		if p.SceneGroupProperties[req.FloorId][req.GroupId] == nil {
+			p.SceneGroupProperties[req.FloorId][req.GroupId] = map[string]int32{}
+		}
+		values := p.SceneGroupProperties[req.FloorId][req.GroupId]
+		previous, existed := values[req.HMELFPDPCFC]
+		values[req.HMELFPDPCFC] = req.OLBEPIBLDBD
+		if err := p.SavePersistentChecked(); err != nil {
+			if existed {
+				values[req.HMELFPDPCFC] = previous
+			} else {
+				delete(values, req.HMELFPDPCFC)
+			}
+			return err
+		}
+		SceneDebugLog("GROUP_PROPERTY floor=%d group=%d property=%s value=%d", req.FloorId, req.GroupId, req.HMELFPDPCFC, req.OLBEPIBLDBD)
+		return nil
+	})
+}